MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body, though obfuscated, contains URLs that are likely intended to lead the user to download further malicious content or to a phishing site. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to distribute malware or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/pify?keyword=unsupported+previous+source+map+format
- http://files.gladpuppets.com/uploads/1/3/1/8/131856050/252ba2d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/2143/4023/files/85085403783.pdf
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/nazutolizip.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/babape.pdf
- https://cdn.shopify.com/s/files/1/0433/9128/7461/files/losurexuvobosovifesav.pdf
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/xowipufe.pdf
- https://cdn.shopify.com/s/files/1/0434/2425/2055/files/dairy_queen_application.pdf
- https://cdn.shopify.com/s/files/1/0429/2424/5155/files/group_dynamics_6th_edition.pdf
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/66447206136.pdf
- https://cdn.shopify.com/s/files/1/0433/0605/7888/files/71164358668.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kiwovanigefuminif.pdf
- https://cdn.shopify.com/s/files/1/0431/1924/7514/files/21386913073.pdf
- https://cdn.shopify.com/s/files/1/0440/3865/2069/files/87774401675.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000077bb.bina04734541bbb7502d9b9fcc8faa0b020e03ecfbf41e50838ed4598251a4fbe64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77BB | 5320 bytes |
font_01_sfnt_off000089c1.bind1fcf942b8910c4476d5f64715482c99d0f66ae1a63f9a915f3d9bfd92a89a27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89C1 | 10024 bytes |
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